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湖泊科学  2015 

哈尔滨西泉眼水库夏季浮游植物群落结构动态特征

DOI: 10.18307/2015.0415

Keywords: 浮游植物,群落结构,西泉眼水库,入库河流,生态因子,典范对应分析

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Abstract:

西泉眼水库作为哈尔滨市第二水源地,事关居民的饮用水安全,而浮游植物群落特征则是水库生态系统健康状况监测与评估的重要研究内容之一,能为水库生态系统健康提供科学支撑.本研究设置13个采样点,对库区和入库河流的浮游植物群落进行对比分析,采样时间为蓝藻水华易发的7月和8月.经镜检,共鉴定浮游植物7门169种,其中绿藻门最多,83种,占总种数的49.11%;硅藻门次之,47种,占总种数的27.81%;蓝藻门15种,占总种数的8.88%;隐藻门最少,仅有2种.浮游植物丰度在10.92×105~88.44×105cells/L之间,均值为51.6×105cells/L,以8月的3#采样点最高;生物量在2.61~22.44mg/L之间,均值为10.37mg/L,以8月的5#采样点最高.Shannon-Wiener指数在2.46~4.69之间,均值为3.33,以7月12#采样点最高.研究水域浮游植物优势种群以梅尼小环藻(Cyclotellameneghiniana)、肘状针杆藻(Synedraulna)、阿氏席藻(Phormidiumallorgei)和游丝藻(Planctonemasp.)为主.同时,典范对应分析表明:1)既将西泉眼水库库区和入库河流区分为两个相对独立的生态系统,又展现了同一生态系统内的月份变化趋势,说明西泉眼水库库区和入库河流区的浮游植物群落的时空分布异质性显著;2)库区内河流入库口处、库心和大坝口处浮游植物群落梯级差异显著,入库河流区水质明显优于库区;3)氨氮、硝态氮、总氮和总磷是影响浮游植物种群的主要驱动因子.研究认为,西泉眼水库水体总体上已处于中度富营养水平,并存在进一步富营养化的风险.建议水库管理部门建立水生态系统健康监测与评估预警体系,配套相应的水生态管理制度,并采取适宜的生态修复技术等生态治理措施,以确保哈尔滨市供水水源安全.

References

[1]  刘建康.东湖生态学研究(二).北京:科学出版社,1995.
[2]  Chen YW, Qin BQ, Teubner K et al. Long-term dynamics of phytoplankton assemblages: Microcystis-domination in Lake Taihu, a large shallow lake in China. Journal of Plankton Research, 2003, 25(4): 445-453.
[3]  Reynolds T, Cliff N. An interactive preference ordering model and its monte carlo evaluation. Psychometrika, 1984, 49(2): 247-255.
[4]  Irigoien X, Harris RP, Verheye HM et al. Copepod hatching success in marine ecosystems with high diatom concentrations. Nature, 2002, 419(6905): 387-389.
[5]  Cardinale BJ, Palmer MA, Collins SL. Species diversity enhances ecosystem functioning through interspecific facilitation. Nature, 2002, 415(6870): 426-429.
[6]  张丽娜.海浪河浮游植物群落结构特征和水质营养状态评价[学位论文].哈尔滨:东北林业大学,2010.
[7]  Jensen J, Jeppesen E, Olrik K et al. Impact of nutrients and physical factors on the shift from cyanobacterial to chlorophyte dominance in shallow Danish lakes. Canadian Journal of Fisheries and Aquatic Sciences, 1994,51(8): 1692-1699.
[8]  Scheffer M. Ecology of shallow lakes. New York:Springer, 2004.
[9]  Reynolds C. The ecology of freshwater phytoplankton. Cambridge:Cambridge University Press, 1984.
[10]  Sournia A. Phytoplankton manual:Monographs on oceanographic methodology. UNESCO, 1971, 6(1):337.
[11]  Scala S, Carels N, Falciatore A et al. Genome properties of the diatom Phaeodactylum tricornutum. Plant Physiology, 2002, 129(3): 993.
[12]  Sommer U. The impact of light intensity and daylength on silicate and nitrate competition among marine phytoplankton. Limnology and Oceanography, 1994, 39(7): 1680-1688.
[13]  Komarkova J, Tavera R. Steady state of phytoplankton assemblage in the tropical Lake Catemaco(Mexico). Hydrobiologia, 2003, 502(1): 187-196.
[14]  李秋华,韩博平.基于CCA的典型调水水库浮游植物群落动态特征分析.生态学报,2007,27(6):2355-2364.
[15]  盛海燕,虞左明,韩轶才等.亚热带大型河流型水库——富春江水库浮游植物群落及其与环境因子的关系.湖泊科学,2010,22(2):235-243.
[16]  Smith VH. Low nitrogen to phosphorus ratios favor dominance by blue-green algae in lake phytoplankton. Science, 1983, 221(4611): 669.
[17]  Figueredo CC, Giani A. Seasonal variation in the diversity and species richness of phytoplankton in a tropical eutrophic reservoir. Hydrobiologia, 2001, 445(1/2/3): 165-174.
[18]  Negro AI, DE Hoyos C, Vega JC. Phytoplankton structure and dynamics in Lake Sanabria and Valparaíso reservoir(NW Spain). Hydrobiologia, 2000, 424(1/2/3): 25-37.
[19]  Downing JA. Marine nitrogen: phosphorus stoichiometry and the global N:P cycle. Biogeochemistry, 1997, 37(3): 237-252.
[20]  王 越,孙 强,吴 昊.西泉眼水库富营养化的源分析.北方环境,2005,30(2):29-30,6.
[21]  迟晋峰,刘玉黛,迟晋旭.哈尔滨市西泉眼水库水环境现状及水源保护对策.黑龙江水利科技,2010,38(1):174-175.
[22]  陈翠翠,于洪贤,姚允龙等.西泉眼水库消落带水生植物群落及分布特点.东北林业大学学报,2012,40(1):110-113.
[23]  高孜娟,于洪贤,马成学等.西泉眼水库鱼类多样性与群落结构初步研究.水产学杂志,2012,25(1):19-24.
[24]  吕东珂.哈尔滨周边泥炭型水库水-气界面CO2通量研究[学位论文].哈尔滨:东北林业大学,2013.
[25]  胡鸿钧,魏印心.中国淡水藻类:系统、分类及生态.北京:科学出版社,2006.
[26]  国家环境保护总局《水和废水监测分析方法》编委会.水和废水监测分析方法:第4版.北京:中国环境科学出版社,2002.
[27]  章宗涉,黄祥飞.淡水浮游生物研究方法.北京:科学出版社,1991.
[28]  Lampitt S, Wishner E, Turley M et al. Marine snow studies in the Northeast Atlantic Ocean: distribution, composition and roles as a food source for migrating plankton. Marine Biology, 1993, 116:680-702.
[29]  Shannon CE. A mathematical theory of communication. ACM SIGMOBILE Mobile Computing and Communications Review, 2001, 5(1): 3-55.
[30]  胡胜华,张世羊,贺 锋等.武汉月湖水体主要元素与浮游植物的PCA与CCA分析.生态环境学报,2010,19(1):17-22.
[31]  TER Braak CJF. CANOCOan extension of DECORANA to analyze species-environment relationships. Hydrobiologia, 1989, 184(3): 169-170.
[32]  更多...
[33]  沈韫芬,章宗涉,龚循矩等.微型生物监测新技术.北京:中国建筑工业出版社,1990.
[34]  董旭辉,羊向东,王 荣等.长江中下游地区湖泊硅藻-总磷转换函数.湖泊科学,2006,18(1):1-12.
[35]  张 颖,白羽军,白 昕等.西泉眼水库富营养化状况及浮游藻类群落分析.哈尔滨商业大学学报:自然科学版,2007,23(5):523-525,567.
[36]  马成学,刘曼红,黄璞祎等.镜泊湖枯水期和丰水期浮游植物群落结构.东北林业大学学报,2010,38(2):35-37.

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